Blastocyst formation at day 8 after in vitro culture of in vitro fertilized zygotes. The fertilized zygotes at 18 h after in vitro fertilization were cultured in each CR1aa medium supplemented with BSA, FBS or SCM (A: 0.3% fatty acid BSA, B: 10% FBS, C: 10% SCM).
pISSN: 2671-4639
